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Laser & Optoelectronics Progress, Volume. 61, Issue 6, 0618023(2024)

Research on Snapshot Microspectral Imaging System and Algae Classification Recognition

Dongliang Li1,2, Hongxing Cai1,2、*, Yu Ren1,2, Shuang Li1,2, Yangyang Hua1,2, Tingting Wang1,2, Jianwei Zhou1,2, Guannan Qu1,2, Shuo Wang3, Yangming Cao3, and Hengyuan Zhang1,2
Author Affiliations
  • 1School of Physics, Changchun University of Science and Technology, Changchun 130022, Jilin, China
  • 2Key Laboratory of Jilin Province for Spectral Detection Science and Technology, Changchun University of Science and Technology, Changchun 130022, Jilin, China
  • 3Jilin Qiushi Spectral Data Technology Co., Ltd., Changchun 130000, Jilin, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (21)
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    Figures & Tables(10)
    Schematic of a snapshot spectral microscope

    Fig. 1. Schematic of a snapshot spectral microscope

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    Physical image of a snapshot sspectral microscope

    Fig. 2. Physical image of a snapshot sspectral microscope

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    Grayscale images of different algae under a spectral microscope. (a) Chlorella; (b) trachelomonas; (c) dinoflagellate

    Fig. 3. Grayscale images of different algae under a spectral microscope. (a) Chlorella; (b) trachelomonas; (c) dinoflagellate

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    Grayscale images of a dinoflagellate sample in motion under a spectral microscope

    Fig. 4. Grayscale images of a dinoflagellate sample in motion under a spectral microscope

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    Acquisition process of algae spectral images and transmission spectrum

    Fig. 5. Acquisition process of algae spectral images and transmission spectrum

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    Absorption spectra of three algae

    Fig. 6. Absorption spectra of three algae

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    Derivative spectra of three algae

    Fig. 7. Derivative spectra of three algae

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    SVM image segmentation and recognition process

    Fig. 8. SVM image segmentation and recognition process

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    Dynamic algae identification at different time. (a) Dinoflagellate; (b) chlorella; (c) trachelomonas

    Fig. 9. Dynamic algae identification at different time. (a) Dinoflagellate; (b) chlorella; (c) trachelomonas

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    • Table 1. Metric parameters of the target recognition model

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      Table 1. Metric parameters of the target recognition model

      Sample sizeTrue positiveFalse positiveFalse negativePrecision /%Recall /%
      805802210065.52
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    Dongliang Li, Hongxing Cai, Yu Ren, Shuang Li, Yangyang Hua, Tingting Wang, Jianwei Zhou, Guannan Qu, Shuo Wang, Yangming Cao, Hengyuan Zhang. Research on Snapshot Microspectral Imaging System and Algae Classification Recognition[J]. Laser & Optoelectronics Progress, 2024, 61(6): 0618023

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    Paper Information

    Category: Microscopy

    Received: Dec. 1, 2023

    Accepted: Feb. 5, 2024

    Published Online: Mar. 22, 2024

    The Author Email: Cai Hongxing (caihx@cust.edu.cn)

    DOI:10.3788/LOP232600

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology